| Tucson to Redondela | 5,319.84 mi (8,561.46 km) |
| Tucson to Reinosa | 5,483.29 mi (8,824.50 km) |
| Tucson to Requena | 5,752.83 mi (9,258.28 km) |
| Tucson to Reus | 5,775.77 mi (9,295.21 km) |
| Tucson to Rianxo | 5,297.83 mi (8,526.03 km) |
| Tucson to Ribadeo | 5,341.25 mi (8,595.92 km) |
| Tucson to Rincon de la Victoria | 5,724.85 mi (9,213.26 km) |
| Tucson to Ripoll | 5,775.09 mi (9,294.12 km) |
| Tucson to Ripollet | 5,803.99 mi (9,340.63 km) |
| Tucson to Rojales | 5,827.00 mi (9,377.66 km) |
| Tucson to Ronda | 5,684.01 mi (9,147.54 km) |
| Tucson to Roquetas de Mar | 5,798.07 mi (9,331.09 km) |
| Tucson to Rosas | 5,811.73 mi (9,353.07 km) |
| Tucson to Rubi | 5,799.08 mi (9,332.72 km) |
| Tucson to Rute | 5,697.26 mi (9,168.85 km) |
